CN102804454B - The manufacture method of battery and battery - Google Patents
The manufacture method of battery and battery Download PDFInfo
- Publication number
- CN102804454B CN102804454B CN201080025246.4A CN201080025246A CN102804454B CN 102804454 B CN102804454 B CN 102804454B CN 201080025246 A CN201080025246 A CN 201080025246A CN 102804454 B CN102804454 B CN 102804454B
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- China
- Prior art keywords
- clamping part
- electrode portion
- multilayer electrode
- holding piece
- cramping body
- Prior art date
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
- H01M50/538—Connection of several leads or tabs of wound or folded electrode stacks
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0431—Cells with wound or folded electrodes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
- H01M50/147—Lids or covers
- H01M50/148—Lids or covers characterised by their shape
- H01M50/1535—Lids or covers characterised by their shape adapted for specific cells, e.g. electrochemical cells operating at high temperature
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49108—Electric battery cell making
Abstract
There is provided a kind of battery, it can not injure the multilayer electrode portion of generating element, and the inner surface of the brace of collector body can be made to be connected to the outermost side face in multilayer electrode portion.This battery possesses generating element (1), and it reels electrode slice (2) positive and negative across partition and is formed, wireline reel at least one side there is the multilayer electrode portion (3) of negative or positive electrode, collector body (5), it has the brace (7 that the outermost side face along multilayer electrode portion (3) configures, 7), and be connected with outside terminal conducting, wherein, described battery possesses cramping body (10), this cramping body has the first clamping part (11, 12a) and the second clamping part (11, 12b), described first clamping part clamps stacked electrode section (3), described second clamping part is to by the first clamping part (11, multilayer electrode portion (3) under state 12a) clamped and the brace (7 of collector body (5), 7) clamp.
Description
Technical field
The present invention relates to a kind of possess to reel positive and negative electrode slice and the generating element formed and conduct the battery of the generating body be connected and the manufacture method of battery with this generating element across partition.
Background technology
At present, as this battery, be such as known to battery as follows, it possesses: generating element, and its positive and negative electrode slice having electrode active material layer across partition winding two sides is formed; Collector body, it has main body and brace, and this main body is connected with the electrode terminal conducting exporting to outside, and this brace extends from main body in the mode of the outermost side face along multilayer electrode portion; And cramping body, it is under the state of outermost side face making the brace of collector body be connected to multilayer electrode portion, makes this brace be crimped on the outermost side face (with reference to patent documentation 1) in multilayer electrode portion.
Generating element possesses the par of bend and linearity, and bend is after generating element is wound into cylindrical shape, and from both sides pressing, be formed as long ellipticity and flat pattern, thus be positioned at upper-lower position, flat part is between this two bend.And, be formed with positive and negative multilayer electrode portion at the both ends of generating element.In addition, triangular in shape when the main body of collector body is overlooked, and with narrow width part (top) relatively and the mode that wide width part (bottom side portion) is positioned at the top in the multilayer electrode portion of generating element is axially configured at the upper surface of the bend of generating element.And, be connected with the electrode terminal of externally deriving in the narrow width part conducting of main body.In addition, the brace of collector body is that comb teeth-shaped extends in the mode of the par along generating element from the wide width part of main body.And a pair brace is inverted U-shaped, inserts stacked electrode section in the space being formed at each brace.
Prior art document
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 2003-346770 publication
But, when existing above-mentioned battery, between a pair brace oblong for cross section multilayer electrode portion being inserted collector body, and when making the inner surface of a pair brace of collector body be connected to the outermost side face in multilayer electrode portion, there is multilayer electrode portion to expand laterally, brace injures the problem in multilayer electrode portion or warpage multilayer electrode portion.In addition, owing to once clamping stacked electrode section and brace with a slice cramping body, so three is difficult to contraposition, exists and produce bad connection, or produce the problem of rate variance.
Summary of the invention
The present invention, in view of described problem, provides a kind of and can not injure or the multilayer electrode portion of warpage generating element, the brace of collector body can be made to be connected to the battery of outermost side face and the manufacture method of battery in multilayer electrode portion.
In order to solve the problem, the battery that the present invention relates to possesses: generating element, and it is formed across the partition positive and negative electrode slice that reels, wireline reel at least one side there is the multilayer electrode portion of negative or positive electrode; Collector body, it has the brace that the outermost side face along described multilayer electrode portion configures, and be connected with outside terminal conducting, it is characterized in that, described battery possesses cramping body, this cramping body has the first clamping part and the second clamping part, and described first clamping part clamps described multilayer electrode portion, and the brace of described second clamping part to the multilayer electrode portion under the state clamped by this first clamping part and described collector body clamps.
Now, stacked electrode section is clamped by the first clamping part of cramping body, thus multilayer electrode portion can not expand to outside, less thick, the inner surface of the brace of collector body is easily connected to the outermost side face in multilayer electrode portion, so can not injure due to the brace of collector body or warpage multilayer electrode portion.
And, the outermost side face in the multilayer electrode portion under the state clamped by the first clamping part is connected to by the inner surface of the brace making collector body, be clamped and connected by the second clamping part the both sides of sheet, so the contraposition of the brace of multilayer electrode portion and collector body is easy, can reliably carries out multilayer electrode portion and be connected with the conducting of collector body.
At this, in the battery that the present invention relates to, the structure of the cramping body of the opposite side of the cramping body that possesses the side clamping stacked electrode section respectively and the stacked electrode section of clamping can be adopted, or adopt cramping body to gather to clamp the side of stacked electrode section and the structure of these both sides of opposite side.And, by generating element is formed as flat pattern, when multilayer electrode portion possesses the par between pair of curved portion and this pair of curved portion, preferably clamp par.
In addition, in the battery that the present invention relates to, preferably possess a pair first clamping parts, between these a pair first clamping parts, possess the second clamping part, thus form cramping body.When the structure of the cramping body of cramping body that is above-mentioned, that possess the side clamping stacked electrode section respectively and the opposite side that clamps stacked electrode section, can be that cramping body is made up of the holding piece of a side and the holding piece of the opposing party, the holding piece of this opposing party is made up of the clamping part of upper and lower clamping part and central authorities, upper and lower clamping part by the holding piece of a side and the holding piece of the opposing party is used as the first clamping part, and the clamping part of the central authorities of the holding piece of a side and the holding piece of the opposing party is used as the second clamping part.On the other hand, when above-mentioned, cramping body gather the structure of side and these both sides of opposite side clamping stacked electrode section, can be that cramping body is made up of the holding piece of a side and the holding piece of the opposing party, the holding piece of this side and the opposing party is made up of the clamping part of upper and lower clamping part and central authorities respectively, the upper and lower clamping part of the upper and lower clamping part of the holding piece of one side and the holding piece of the opposing party is used as the first clamping part, and the clamping part of the central authorities of the clamping part of the central authorities of the holding piece of a side and the holding piece of the opposing party is used as the second clamping part.
Now, by pressing stacked electrode section by the first clamping part being positioned at the second clamping part both sides, the stacked less thick in the multilayer electrode portion near the second clamping part, so the brace of collector body is easily connected to the outermost side face in the multilayer electrode portion near the second clamping part.
In addition, the battery that the present invention relates to possesses: generating element, and it is formed across the partition positive and negative electrode slice that reels, wireline reel at least one side there is the multilayer electrode portion of negative or positive electrode; Collector body, it has the brace that the outermost side face along described multilayer electrode portion configures, and be connected with outside terminal conducting, it is characterized in that, described battery possesses the first cramping body and the second cramping body, described first cramping body clamps described multilayer electrode portion, and the brace of described second cramping body to the multilayer electrode portion under the state clamped by this first cramping body and described collector body clamps.
Now, owing to clamping stacked electrode section by the first cramping body, therefore, multilayer electrode portion can not expand to outside, and the brace of collector body is easily connected to the outermost side face in multilayer electrode portion.On the other hand, owing to clamping stacked electrode section and brace by the second cramping body, therefore the contraposition transfiguration of multilayer electrode portion and collector body is easy, reliably can carry out conducting connection.
At this, the battery that the present invention relates to preferably the first cramping body is positioned at the top of the second cramping body.
Now, owing to being made the stacked less thick on the top in multilayer electrode portion by the first cramping body, so easily make the brace of collector body against the outermost side face configuration in multilayer electrode portion.
In addition, the feature of the manufacture method of the battery that the present invention relates to is, after having clamped described multilayer electrode portion with described first clamping part, outermost side face along described multilayer electrode portion configures the brace of described collector body, clamps described multilayer electrode portion and described brace with described second clamping part.
In addition, the feature of the manufacture method of the battery that the present invention relates to is, after having clamped described multilayer electrode portion with described first cramping body, outermost side face along described multilayer electrode portion configures the brace of described collector body, clamps described multilayer electrode portion and described brace with described second cramping body.
Now, by clamping stacked electrode section, the stacked thickness of stacked electrode section or the thickness of multilayer electrode portion entirety can be reduced, effective especially when therefore inserting multilayer electrode portion to manufacture between collector body.
Invention effect
As described above, according to the present invention, after clamping in the multilayer electrode portion of the end to reel across partition positive and negative electrode slice and the generating element formed, the brace of collector body is made to be connected to the outermost side face in the multilayer electrode portion under clamp position, on this basis, be clamped and connected sheet and multilayer electrode portion, therefore, multilayer electrode portion can not be injured because of the brace of collector body, can reliably be electrically connected stacked electrode section and collector body.
Accompanying drawing explanation
Fig. 1 is the stereogram representing the battery that embodiments of the present invention 1 relate to;
Fig. 2 is the sectional view of Fig. 1;
Fig. 3 is the stereogram of the cramping body that the battery of Fig. 1 uses;
Fig. 4 (a) ~ (c) is the stereogram of the assembling sequence of the battery of Fig. 1;
Fig. 5 is the stereogram representing the battery that embodiments of the present invention 2 relate to;
Fig. 6 is the sectional view of Fig. 5;
Fig. 7 is the stereogram of the cramping body that the battery of Fig. 5 uses;
Fig. 8 (a), (b) are the stereograms of the assembling sequence of the battery of Fig. 5;
Fig. 9 is the stereogram representing the battery that embodiments of the present invention 3 relate to;
Figure 10 is the sectional view of Fig. 9;
Figure 11 is the stereogram of the cramping body that the battery of Fig. 9 uses;
Figure 12 (a) ~ (c) is the stereogram of the assembling sequence of the battery of Fig. 9.
Embodiment
Below, with reference to figure 1 ~ Figure 12, the battery that embodiments of the present invention relate to is described.
(execution mode 1)
First, the battery that embodiments of the present invention 1 relate to as shown in Figure 1 and Figure 2, possesses: generating element 1, the collector body 5 be electrically connected with this generating element 1, a pair cramping body 10 clamping the multilayer electrode portion 3 of generating element 1 described later and the brace 7 of collector body 5.
Conveniently, generating element 1 is monomer, is have the positive and negative electrode slice 2 of electrode active material layer across partition (not shown) winding two sides and formed, and has positive and negative multilayer electrode portion 3 at its both ends.And generating element 1 possesses: cross section is formed as long ellipticity (flat pattern) and is positioned at bend 1a, 1a of upper-lower position; And par 1b, the 1b between two bend 1a, 1a.
Collector body 5 has: the main body 6 be connected with outside terminal (not shown) conducting; And with the brace 7,7 that the mode of the outermost side face of par 1b, the 1b along multilayer electrode portion 3 is extended from this main body 6.And, in present embodiment 1, be this situation of monomer to correspond to generating element 1, rectangular when the main body 6 of collector body 5 is overlooked, and stretch out a pair brace 7,7 in the mode of the both sides of the outermost side face along multilayer electrode portion 3 from this main body 6.
As shown in Figure 3, cramping body 10 is by the dull and stereotyped doubling of rectangle, thus has the holding piece 11 of a side of the most inner peripheral surface being connected to multilayer electrode portion 3 and be connected to the holding piece 12 of the opposing party of outer surface of the outermost side face in multilayer electrode portion 3 and the brace 7 of collector body 5.The holding piece 11 of one side is simple flat board, has the area of the central portion that can press most inner peripheral surface at par 1b, the 1b in multilayer electrode portion 3.The holding piece 12 of the opposing party is formed with pair of notches 13,13 parallel up and down, thus is forming little clamping part 12a, 12a up and down, and forms large clamping part 12b in central authorities.And, form by each little clamping part 12a, 12a of the holding piece 11 of a side and the holding piece 12 of the opposing party the first clamping part clamping stacked electrode section 3, form the clamping brace 7 of collector body 5 and second clamping part (with reference to figure 2) in multilayer electrode portion 3 by the large clamping part 12b of the holding piece 11 of a side and the holding piece 12 of the opposing party.
Then, the assembling sequence of the battery related to for present embodiment 1 with reference to figure 4 (a) ~ (c) is described.First, as shown in Fig. 4 (a), make a pair holding piece 11,12 warpage in a direction close to each other of cramping body 10, be flexed into roughly U-shaped, on the other hand, the not large clamping part 12b of the holding piece 12 of warpage the opposing party, that is, become the state vertical relative to little clamping part 12a, 12a.Then, the mode of folding par 1b, 1b of the side of electrode section 3 with cross-layer makes the holding piece 11 of a side be connected to the most inner peripheral surface of this par 1b, and makes each little clamping part 12a, 12a of the holding piece 12 of the opposing party be connected to the outermost side face of par 1b.Then, press the holding piece 11 of a side and the outer surface of each little clamping part 12a, 12a, clamp inner surface and the outer surface of the par 1b of stacked electrode section 3, reduce the thickness of the par 1b of the side of stacked electrode section 3.Afterwards, on the par 1b in the multilayer electrode portion 3 of opposite side, same with aforementioned, the holding piece 11 of a side is made to be connected to the most inner peripheral surface of this par 1b, and make each little clamping part 12a, 12a of the holding piece 12 of the opposing party be connected to the outermost side face of par 1b, afterwards, press the holding piece 11 of a side and the outer surface of each little clamping part 12a, 12a, the par 1b in the multilayer electrode portion 3 of clamping opposite side, reduces the thickness of this par 1b.That is, the thickness (with reference to figure 4 (b)) of stacked electrode section 3 entirety is reduced.
In this condition, as shown in Fig. 4 (c), with the brace 7 of collector body 5, the inner surface of 7 is along the little clamping part 12a of cramping body 10, the mode of the outer surface of 12a and the outermost side face in multilayer electrode portion 3, the brace 7 of collector body 5 is inserted from the top in multilayer electrode portion 3, 7, then by large clamping part 12b to be parallel to each little clamping part 12a, the mode warpage of 12a, the brace 7 of pressing collector body 5, the outer surface of 7, make the brace 7 of collector body 5, the inner surface of 7 is crimped on the outermost side face in multilayer electrode portion 3, pass through ultrasonic bonding, collector body 5 and generating element 1 are electrically connected (with reference to figure 1).
Now, by each little clamping part 12a of the holding piece 11 of a side and the holding piece 12 of the opposing party, 12a presses most inner peripheral surface and the outermost side face of stacked electrode section 3, reduce the stacked thickness of stacked electrode section 3, therefore, easily make the brace 7 of collector body 5, the 7 outermost side faces being connected to multilayer electrode portion 3, on the other hand, press by the large clamping part 12b of the holding piece 11 of a side and the holding piece 12 of the opposing party and clamp most inner peripheral surface and the brace 7 of stacked electrode section 3, the outer surface of 7, be connected therefore, it is possible to reliably carry out multilayer electrode portion 3 with the conducting of collector body 5.And, owing to being clamped the side of stacked electrode section 3 by a cramping body 10, the opposite side of stacked electrode section 3 is clamped by another cramping body 10, therefore, two holding piece 11,11 points of adjacent cramping body 10,10 is opened, between two holding pieces 11,11, form gap, therefore, heat can not fill the stagnant central part at generating element 1.
(execution mode 2)
Below, with reference to figure 5 ~ Fig. 8, the battery that execution mode 2 relates to is described.In these figures, the symbol identical with Fig. 1 and Fig. 2 represents same or equivalent part, and difference is in the structure of cramping body 14, that is: possess on the holding piece 15,15 of both sides: upper and lower little clamping part 15a, 15a of being formed by otch 16,16; And two little large clamping part 15b between clamping part 15a, 15a.And, clamped by each little clamping part 15a, 15a of the holding piece 15,15 of both sides, make the outermost side face pressing stacked electrode section 3, press par 1b, the 1b in multilayer electrode portion 3 of collapsing, thus the less thick of multilayer electrode portion 3 entirety.
The assembling sequence of the battery that present embodiment 2 relates to then is described with reference to figure 8 (a), (b).First, as shown in Fig. 8 (a), by little clamping part 15a, 15a warpage in a direction close to each other of the holding piece 15,15 of both sides, be flexed into U-shaped, on the other hand, the not large clamping part 15b of warpage, that is, the state vertical relative to each little clamping part 15a, 15a is become.Then, the mode of par 1b, 1b of the both sides of electrode section 3 is folded with cross-layer, little clamping part 15a, 15a of the holding piece 15,15 of both sides is made to be connected to the outermost side face of par 1b, the 1b in multilayer electrode portion 3, press the outer surface of each little clamping part 15a, 15a, clamp the outer surface of the both sides of par 1b, 1b of stacked electrode section 3, press par 1b, the 1b in multilayer electrode portion 3 of collapsing, reduce the thickness of stacked electrode section 3 entirety.
In this condition, as shown in Fig. 8 (b), in the mode along each outer surface of little clamping part 15a, 15a and the outermost side face in multilayer electrode portion 3, from the top in multilayer electrode portion 3, the brace 7,7 of collector body 5 is inserted, then by a pair large clamping part 15b, 15b to be parallel to the mode warpage of each little clamping part 15a, 15a, the outer surface of the brace 7,7 of pressing collector body 5, is electrically connected collector body 5 and generating element 1 (with reference to figure 5 and Fig. 6).
(execution mode 3)
Below, with reference to figure 9 ~ Figure 12, the battery that execution mode 3 relates to is described.In these figures, the symbol identical with Fig. 1 and Fig. 2 represents same or equivalent part, difference is to possess the first cramping body 20 and the second cramping body 22, first cramping body 20 and has the most inner peripheral surface of the stacked electrode section 3 of pressing and outermost side face and a pair holding piece 21,21 clamping stacked electrode section 3; Second cramping body 22 is clamping stacked electrode section 3 by the first cramping body 20 and along by under the state of the brace 7,7 of the outermost side face config set in the multilayer electrode portion 3 that clamps electricity body 5, and the outer surface of the most inner peripheral surface and this brace 7,7 that press stacked electrode section 3 carries out clamping (with reference to Figure 11).It should be noted that, when present embodiment 3, the size of the first and second cramping body 20,22 is same shape, is to overlook the simple doubling of rectangular flat board.
Now, utilize a pair holding piece 21,21 of the first cramping body 20, most inner peripheral surface and the outermost side face on its top is clamped at par 1b, the 1b in multilayer electrode portion 3, thus the stacked less thick on this top, therefore, the brace 7,7 of configuration collector body 5 is easily against in the most peripheral face in multilayer electrode portion 3.
Then, the assembling sequence of battery is described with reference to Figure 12 (a) ~ (c).First, by each holding piece 21,21 warpage in a direction close to each other of two the first cramping bodies 20, be flexed into U-shaped, on the other hand, equally also each holding piece 23,23 of warpage two the second cramping bodies 22,22.Then, as shown in Figure 12 (a), at par 1b, 1b of the both sides in multilayer electrode portion 3, with the most inner peripheral surface making the holding piece 21 of a side of the first cramping body 20 be connected to multilayer electrode portion 3 across the mode on its top, and, the holding piece 21 of the opposing party of the first cramping body 20 is made to be connected to the outermost side face in multilayer electrode portion 3, press the outer surface of each holding piece 21,21, the most inner peripheral surface on the top of par 1b, 1b of clamping both sides and outermost side face, reduce the thickness on the top of two par 1b, 1b of stacked electrode section 3.
In this condition, as shown in Figure 12 (b), with each holding piece 21 along the first cramping body 20, the mode of the outer surface of 21 and the outermost side face in multilayer electrode portion 3, from the top in multilayer electrode portion 3 by the brace 7 of collector body 5, 7 insert, then as shown in Figure 12 (c), the par 1b of the both sides of electrode section 3 is folded with cross-layer, the holding piece 23 of one side of the second cramping body 22 is connected to the most inner peripheral surface in multilayer electrode portion 3 by the mode of the bottom of 1b, and the holding piece 23 of the opposing party of the second cramping body 22 is connected to the brace 7 of collector body 5, the outer surface of 7, press each holding piece 23 of the second cramping body 22, the outer surface of 23, collector body 5 and generating element 1 are electrically connected (with reference to figure 9 and Figure 10).
It should be noted that, when described execution mode, although growth ellipticity is done in the cross section of generating element 1, it also can be circular or square, correspondingly, can do circular or square by the brace 7,7 of collector body 5.
Symbol description
1 generating element
1a bend
1b par
2 electrode slices
3 multilayer electrode portions
5 collector bodies
6 main bodys
7 braces
10,14 cramping bodies
11,12 holding pieces
The little clamping part of 12a
The large clamping part of 12b
11,12a first clamping part
11,12b second clamping part
14 cramping bodies
15 holding pieces
The little clamping part of 15a
The large clamping part of 15b
20 first cramping bodies
21 holding pieces
22 second cramping bodies
21 holding pieces
Claims (13)
1. a battery, is characterized in that, possesses:
Generating element (1), it clips electrode slice (2,2) that partition reels positive and negative and is formed between being, wireline reel at least one side there is the multilayer electrode portion (3) of negative or positive electrode;
Collector body (5), it has the brace (7) that the outermost side face along described multilayer electrode portion (3) configures, and is connected with outside terminal conducting; And
Cramping body (10,14), it connects the brace (7) of described multilayer electrode portion (3) and described collector body (5),
Described cramping body (10,14) have the first clamping part (11,12a; 15a, 15a) and the second clamping part (11,12b; 15b, 15b), described first clamping part clamps described multilayer electrode portion (3), described second clamping part to by this first clamping part (11,12a; 15a, 15a) brace (7) of multilayer electrode portion (3) under the state that clamps and described collector body (5) clamps.
2. battery as claimed in claim 1, is characterized in that,
Described cramping body (10) possesses the cramping body (10) of the side clamping described multilayer electrode portion (3) and the cramping body (10) of opposite side of the described multilayer electrode portion (3) of clamping respectively, thus the first clamping part making two described cramping bodies (10) respective separately.
3. battery as claimed in claim 1, is characterized in that,
Described generating element (1) is formed as flat pattern, described multilayer electrode portion (3) possesses the par (1b) between pair of curved portion (1a, 1a) and this pair of curved portion (1a, 1a), and described cramping body possesses the cramping body (10) of the par (1b) of the cramping body (10) of the par (1b) of the side clamping described multilayer electrode portion (3) and the opposite side of the described multilayer electrode portion (3) of clamping respectively.
4. the battery according to any one of claims 1 to 3, is characterized in that,
Described first clamping part (11,12a) is provided with a pair, and described second clamping part (11,12b) is arranged between these a pair first clamping parts (11,12a).
5. battery as claimed in claim 4, is characterized in that,
Described cramping body (10) has the holding piece (11) of a side and the holding piece (12) of the opposing party, the holding piece (12) of this opposing party has upper and lower clamping part (12a, 12a) with central clamping part (12b), by the upper and lower clamping part (12a of the holding piece (11) of one and the holding piece (12) of described the opposing party, 12a) form described first clamping part (11, 12a), described second clamping part (11 is formed by the clamping part (12b) of the central authorities of the holding piece (11) of one and the holding piece (12) of described the opposing party, 12b).
6. battery as claimed in claim 1, is characterized in that,
Described cramping body (14) is clamped by described first clamping part (15a, 15a), makes the outermost side face pressing described multilayer electrode portion (3).
7. battery as claimed in claim 1, is characterized in that,
Described generating element (1) is formed as flat pattern, described multilayer electrode portion (3) possesses the par (1b) between pair of curved portion (1a, 1a) and this pair of curved portion (1a, 1a), described cramping body (14) is clamped by described first clamping part (15a, 15a), makes the par (1b, 1b) of the outermost side face pressing described multilayer electrode portion (3).
8. the battery as described in claim 1,6 or 7, is characterized in that,
Described first clamping part (15a, 15a) is provided with a pair, and described second clamping part (15b, 15b) is arranged between these a pair first clamping parts (15a, 15a).
9. battery as claimed in claim 8, is characterized in that,
Described cramping body (14) has the holding piece (15) of a side and the holding piece (15) of the opposing party, the holding piece (15) of this side and the opposing party has upper and lower clamping part (15a respectively, 15a) with central clamping part (15b), by the upper and lower clamping part (15a of the holding piece (15) of one, 15a) and the upper and lower clamping part (15a of holding piece (15) of described the opposing party, 15a) form described first clamping part (15a, 15a), described second clamping part (15b is formed by the clamping part (15b) of the central authorities of the clamping part (15b) of the central authorities of the holding piece (15) of one and the holding piece (15) of described the opposing party, 15b).
10. a battery, is characterized in that, possesses:
Generating element (1), it clips electrode slice (2,2) that partition reels positive and negative and is formed between being, wireline reel at least one side there is the multilayer electrode portion (3) of negative or positive electrode;
Collector body (5), it has the brace (7) that the outermost side face along described multilayer electrode portion (3) configures, and is connected with outside terminal conducting;
First cramping body (20), it clamps described multilayer electrode portion (3); And
Second cramping body (22), it clamps the brace (7) of the multilayer electrode portion (3) under the state clamped by this first cramping body (20) and described collector body (5).
11. batteries as claimed in claim 10, is characterized in that,
Described first cramping body (20) is positioned at the position than described second cramping body (22) more outer portion terminals side.
The manufacture method of the battery according to any one of 12. 1 kinds of claims 1 ~ 9, is characterized in that, comprising:
With described first clamping part (11,12a; 15a, 15a) clamp the step of described multilayer electrode portion (3);
Outermost side face along described multilayer electrode portion (3) configures the step of the brace (7) of described collector body (5);
With described second clamping part (11,12b; 15b, 15b) clamp the step of described multilayer electrode portion (3) and described brace (7).
The manufacture method of the battery described in 13. 1 kinds of claims 10 or 11, is characterized in that, comprising:
The step of described multilayer electrode portion (3) is clamped with described first cramping body (20);
Outermost side face along described multilayer electrode portion (3) configures the step of the brace (7) of described collector body (5);
The step of described multilayer electrode portion (3) and described brace (7) is clamped with described second cramping body (22).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009-143964 | 2009-06-17 | ||
| JP2009143964 | 2009-06-17 | ||
| PCT/JP2010/060180 WO2010147136A1 (en) | 2009-06-17 | 2010-06-16 | Battery and method for producing battery |
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| Publication Number | Publication Date |
|---|---|
| CN102804454A CN102804454A (en) | 2012-11-28 |
| CN102804454B true CN102804454B (en) | 2015-11-25 |
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| CN201080025246.4A Expired - Fee Related CN102804454B (en) | 2009-06-17 | 2010-06-16 | The manufacture method of battery and battery |
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| EP (1) | EP2445034B1 (en) |
| JP (2) | JP5500463B2 (en) |
| KR (1) | KR101907935B1 (en) |
| CN (1) | CN102804454B (en) |
| TW (1) | TW201101559A (en) |
| WO (1) | WO2010147136A1 (en) |
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| TW201101559A (en) * | 2009-06-17 | 2011-01-01 | Gs Yuasa Int Ltd | Battery and its production method |
| JP2012195085A (en) * | 2011-03-15 | 2012-10-11 | Gs Yuasa Corp | Battery |
| US8722237B2 (en) * | 2011-03-29 | 2014-05-13 | Samsung Sdi Co., Ltd. | Secondary battery |
| JP5663415B2 (en) * | 2011-06-24 | 2015-02-04 | 日立オートモティブシステムズ株式会社 | Secondary battery |
| TWI456817B (en) * | 2011-09-27 | 2014-10-11 | Au Optronics Corp | Battery device |
| JP6175758B2 (en) * | 2011-11-29 | 2017-08-09 | 株式会社Ｇｓユアサ | Electricity storage element |
| JP6048080B2 (en) * | 2011-11-29 | 2016-12-21 | 株式会社Ｇｓユアサ | Electricity storage element |
| JP6115084B2 (en) * | 2011-11-29 | 2017-04-19 | 株式会社Ｇｓユアサ | Electricity storage element |
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| JP5825207B2 (en) * | 2012-06-22 | 2015-12-02 | 株式会社豊田自動織機 | Power storage device and secondary battery |
| JPWO2014024802A1 (en) * | 2012-08-09 | 2016-07-25 | 株式会社Ｇｓユアサ | Storage device manufacturing method, auxiliary plate for ultrasonic welding, and storage device |
| KR102524471B1 (en) * | 2015-09-18 | 2023-04-24 | 삼성에스디아이 주식회사 | Secondary Battery |
| EP3480869B1 (en) * | 2015-09-18 | 2022-05-11 | GS Yuasa International Ltd. | Electricity storage element and method for manufacturing electricity storage element |
| WO2018016194A1 (en) * | 2016-07-21 | 2018-01-25 | Ｎｅｃエナジーデバイス株式会社 | Secondary battery and production method therefor |
| WO2018235768A1 (en) * | 2017-06-23 | 2018-12-27 | 株式会社Ｇｓユアサ | Power storage element |
| CN111384350A (en) * | 2018-12-29 | 2020-07-07 | 宁德时代新能源科技股份有限公司 | Secondary battery and battery module |
| JP7413084B2 (en) | 2020-03-03 | 2024-01-15 | 株式会社東芝 | Batteries and battery manufacturing methods |
| US20210399393A1 (en) * | 2020-06-23 | 2021-12-23 | StoreDot Ltd. | Electrical connection of electrode tabs of an electromechanical cell |
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Also Published As
| Publication number | Publication date |
|---|---|
| KR20120037402A (en) | 2012-04-19 |
| JP5500463B2 (en) | 2014-05-21 |
| EP2445034B1 (en) | 2014-04-30 |
| TW201101559A (en) | 2011-01-01 |
| WO2010147136A1 (en) | 2010-12-23 |
| US20120088138A1 (en) | 2012-04-12 |
| JPWO2010147136A1 (en) | 2012-12-06 |
| EP2445034A1 (en) | 2012-04-25 |
| EP2445034A4 (en) | 2013-03-06 |
| US8932740B2 (en) | 2015-01-13 |
| JP2014132590A (en) | 2014-07-17 |
| JP5796794B2 (en) | 2015-10-21 |
| KR101907935B1 (en) | 2018-10-15 |
| CN102804454A (en) | 2012-11-28 |
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